Cardiac arrhythmias refer to abnormal heart rhythms characterized by irregularities in the speed, regularity, or sequence of the heart's electrical impulses. These irregular rhythms can manifest as too fast (tachycardia), too slow (bradycardia), or irregular beats. Arrhythmias can occur in the atria (upper chambers) or the ventricles (lower chambers) of the heart and may be caused by various factors, including heart disease, age, genetics, or certain medications. Symptoms of cardiac arrhythmias can range from palpitations, dizziness, and shortness of breath to more severe complications, such as fainting or cardiac arrest. Diagnosis often involves electrocardiograms (ECGs or EKGs), Holter monitoring, and other cardiac tests to evaluate the heart's electrical activity and identify the specific type of arrhythmia.
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Arthur J Siegel, Massachusetts General Hospital, United States
Title : Empathy and precision: Revolutionizing communication between cardiologists and patients
Iris Panagiota Efthymiou, University of Greenwich, United Kingdom
Title : Ex-situ organ perfusion and cardiac performance improvement
Y J H J Taverne, Erasmus University Medical Center, Netherlands
Title : Subclinical atherosclerosis: Association with additional risk factors and somatic diseases
Mekhman N Mamedov, National Research Center for Therapy and Preventive Medicine, Russian Federation
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Narendra Kumar, HeartbeatsZ Academy, United Kingdom